def validate_update(self, user, current_user):
"""
Validates required fields, username, verifies if the user
exists, verifies that the user is not root and that belongs to
ovsdb_user group
Returns None when valid else returns error json dict
"""
validation_result = self.__validate_required_fields__(user, OP_UPDATE)
if validation_result is not None:
return validation_result
username = user.configuration.username
validation_result = self.__validate_username__(username)
if validation_result is not None:
return validation_result
if user_utils.user_exists(username):
# Avoid update a root user
if username == "root":
error_message = "Permission denied."\
"Cannot update the root user."
validation_result = to_json_error(error_message, None, None)
return validation_result
# Avoid update users from another group
if not user_utils.check_user_group(username, DEFAULT_USER_GRP):
error_message = "Unknown user %s" % username
validation_result = to_json_error(error_message, None, None)
return validation_result
else:
error_message = "User %s doesn't exists." % username
validation_result = to_json_error(error_message, None, None)
return validation_result
return None
def validate_create(self, user, current_user):
"""
Validate required fields, username and if the user exists
Returns None when valid else returns error json dict
"""
validation_result = self.__validate_required_fields__(user, OP_CREATE)
if validation_result is not None:
return validation_result
username = user.configuration.username
validation_result = self.__validate_username__(username)
if validation_result is not None:
return validation_result
if user_utils.user_exists(username):
error_message = "User %s already exists" % username
validation_result = to_json_error(error_message, None, None)
return validation_result